Let's look into the crystal ball, I see something, it could be that something is not right here and someone has problems with a rk322x box. hope you understand this little fun, it would be of course especially with such a time pressure of only a week surprising if we could really solve your problem with such a crystal ball, so let's start here. Describe your box in more detail, which multitool which problem from which point, why this solution not something else and much much more ....